I worked at a rental buisness wrenching on skis for 8 years. On the colorado river. I have witnessed alot of rocked impellers lol. Prop guys can make miracles happen!!!!
I would bore the cylinder to 84mm (760). That way u still have two bores left. Have someone that has a good reputation for porting cylinders( jetworks,jetmaniac,group k)port your cylinder. Keep stock carbs and send them to who ever is porting the cylinder to have them done. Then work with the...
If your not hitting the rev limiter at 6500. Your prop is way to big and you are losing all kinds of potential power.....Im running this same set up with a pro tec head 35 cc domes and a 13/17 concord and im really happy with it................What happen with the 760? How did it work?
how did u figure 4 hp less then the limited chamber...where are u getting your numbers? I was under the impression that the mod superjet chamber was just a little softer off bottom but reved like 150 rpm more on top end......Someone correct me if im wrong
Ha Ha I got your pm...I think i c the dude u sold it to around he has a pre runner ranger right? I ride a square to. But im building a rn right now also
I really like this set up also and its cool to see that someone else is enjoying it also..........I have access to both cylinders and im building a few diffrent motors right now.....But im just not sold on the 61x cylinder the port matching is horrible and it lacks transfer port...
yeah i know that but the raider chamber and blaster mod are the same chamber. And when it was made it was originally for the raider witch has a 62t cylinder
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